1995
DOI: 10.1016/0003-2670(95)00285-8
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Electrochemical investigations of reactive dyes; polarographic determination of anthraquinone-based chlorotriazine dyes

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Cited by 34 publications
(19 citation statements)
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“…4,10 The determination of dyes by chromatographic method has several problems because such of compounds that are usually ionic and of high polarities, as well as nonvolatile and thermally unstable. Also, the simultaneous determination of multielements by the use of traditional UV-Vis spectrophotometric techniques is difficult without any separation processes because of overlapped absorption spectra.…”
Section: Introductionmentioning
confidence: 99%
“…4,10 The determination of dyes by chromatographic method has several problems because such of compounds that are usually ionic and of high polarities, as well as nonvolatile and thermally unstable. Also, the simultaneous determination of multielements by the use of traditional UV-Vis spectrophotometric techniques is difficult without any separation processes because of overlapped absorption spectra.…”
Section: Introductionmentioning
confidence: 99%
“…[39][40][41] Estudos prévios encontrados na literatura confirmam que as técni-cas eletroanalíticas são promissoras na quantificação de diversos corantes contendo grupos cromóforos, como azo e antraquinona. [42][43][44][45][46][47][48] Os resultados foram satisfatórios, uma vez que esses corantes apresentam estruturas que contêm grupos funcionais facilmente redutíveis e/ou oxidáveis. Ademais, essas matrizes são menos complexas e não oferecem tantos problemas de interferências.…”
Section: Métodos Eletroanalíticosunclassified
“…Esses estudos envolveram apenas classes de corantes utilizadas na indústria têxtil ou de curtume em matrizes aquosas, cuja aplicação não pode ser generalizada para classes de corantes marcadores de combustíveis, em função da alta complexidade dessas matrizes e da fraca solubilidade destes em meio aquoso. Entretanto, mesmo que a potencialidade da eletroanalítica seja notória para meio aquoso, [42][43][44][45][46][47][48] sua aplicação na determinação de corantes em matrizes como combustíveis ainda é rara.…”
Section: Métodos Eletroanalíticosunclassified
“…1 As part of the textile dye molecules do not react with the fiber 2 and the dye is highly colored, the effluent of the textile industry contains molecules of the colorant, even when an effluent treatment is applied. The problem is that the textile industry consumes a large amount of colorants, and it is estimated that 10 to 15% of textile dye is lost to the effluent, 3 which means that 1000000 kg/year of dyes are discharged into waste streams by the textile industry.…”
Section: Introductionmentioning
confidence: 99%